Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model56Choose the best answerAccording to Bohr’s model, what happens to an electron while it remains in an allowed stationary orbit?AContinuously radiates energyBGradually loses energyCNeither absorbs nor emits energyDFalls into the nucleus Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Atomic Structure#Hydrogen Spectrum57Choose the best answerQ.72 The equation V̄ = R(1/2² − 1/n²), where n > 2, is the equation of H spectrum for:APaschen seriesBPfund seriesCBrackett seriesDBalmer series Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum58Choose the best answerIn ν̄ = R(1/n₁² − 1/n₂²), what does n₁ represent?AThe higher energy levelBThe lower energy levelCThe total number of orbitsDThe number of emitted photons Like 0 Discuss 0Share
Atomic StructurePrincipal Quantum Number59Choose the best answerWhich pair of orbitals has the same principal quantum number?A2s and 3pₓB3dxy and 3dyzC1s and 2sD4f and 5p Like 0 Discuss 0Share
Atomic StructureAufbau Principle and n + ℓ Rule60Choose the best answerThe subshells 4f, 5d, 6p and 7s all have the same (n + ℓ) value. Which is filled first?A4fB6pC5dD7s Like 0 Discuss 0Share